Is FF sensors going to slowly phase out?

Started Apr 11, 2013 | Discussions thread
Erik Magnuson
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Re: Is FF sensors going to slowly phase out?
In reply to EinsteinsGhost, Apr 12, 2013

EinsteinsGhost wrote:

Yep. When your desire is to eliminate OOF areas, there is no need to smoothen out OOF areas.

Those who argue "the STF is purely for bokeh" would say otherwise.  You can rarely completely eliminate OOF areas for most 3D scenes and DOF depends on enlargement.   As the lens markings suggest, the special STF capability is only supported for widest apertures.

Shallow DoF can often be an issue with longer FL. In fact, even with just 200mm f/2.8 that I use on my APS-C cameras, I have to stop down to f/4-f/5.6 (sometimes f/8) to get a reasonable DOF.

Bird photography is quite popular in this area. I know several people who shoot the 500mm f/4. If I ask them why the 500mm f/4, they say "all the above" (lower light, higher shutter speeds, and DOF control.)

Even sitting several rows back at an NBA game, may be about 60-70 ft from the nearest basket, with my NEX-3 and 200mm f/2.8, I'm looking at a DOF that is barely 4 ft. Substitute with 300mm f/2.8 and the DoF shrinks to barely more than the size of the basketball (about 1.5 ft).

Ever shoot with a SI photographer at a football game? I've assisted at a few.  Why do they use the 300mm or 400mm f/2.8 even for daylight games?  Simple: DOF control.  Shooting from the sidelines means the stands (or opposite sideline) are in the background.  Yeah, getting the focus spot-on with shallow DOF is tough, but that's why they get the big bucks.

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Erik

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